KLA’s biggest customers
Who are KLA’s biggest customers?
Largest customer: 19% of FY2026 revenue
“In each of the fiscal years ended June 30, 2026 and 2025, one customer accounted for approximately 19% of total revenues.”
KLA 10-K, verbatim · 10-K · filed Aug 6, 2026
Numbers, method and sources
Share of revenue per customer as tagged in the filing’s XBRL (ConcentrationRiskPercentage, benchmark revenue). US GAAP requires disclosure only for customers with at least 10% of revenue; a year without a customer means below 10% or not disclosed. Labels like “Customer A” are the filer’s own; the same label is not guaranteed to be the same customer every year.
FY2026
- Taiwan Semiconductor Manufacturing Company Limited 19%
FY2025
- Taiwan Semiconductor Manufacturing Company Limited 19%
FY2024
- Taiwan Semiconductor Manufacturing Company Limited 13%
FY2023
- Largest Customer (not named in filing) 18%
- Second Largest Customer (not named in filing) 15%
FY2022
- Largest Customer (not named in filing) 20%
- Second Largest Customer (not named in filing) 12%
FY2021
- Largest Customer (not named in filing) 17%
- Second Largest Customer (not named in filing) 15%
SEC filings only. No market data.
Is KLA getting more dependent on one customer?
Largest disclosed customer, by fiscal year
All KLA facts from SEC filings · Customer concentration of all companies